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03-350, 03-351, 03-354 IOT to Tray 1 and Tray 2 PWB Error
RAP
03-350 The IOT has detected no response from the tray 1 and 2 control PWB to the ping
request.
03-351 Tray 1 and 2 control PWB has detected a feed buffer overflow.
03-354 Communications failure. Tray 1 and 2 control PWB has detected a communications
failure.
Initial Actions
WARNING
Switch off the electricity to the machine, GP 14. Disconnect the power cord from the
customer supply while performing tasks that do not need electricity. Electricity can
cause death or injury. Moving parts can cause injury.
•
Switch off the machine, then switch on the machine, GP 14.
WorkCentre 5687 Family
•
Check the fault history file for other 03-xxx fault codes. If the 03-xxx fault codes occur ran-
domly, the cause may be due to electrical noise. Go to OF10 intermittent Failure RAP.
Procedure
1.
Switch off the machine, GP 14. Ensure P/J9 and P/J271 are correctly and securely con-
nected.
2.
Go to Flag 1. Check the harness. Repair as necessary, GP 7.
3.
Go to Flag 2. Check the +3.3V and 0V lines. Refer to:
•
P/J271
•
01D +3.3V Distribution RAP.
•
01B 0V Distribution RAP.
4.
Switch on the machine, GP 14. Perform OF7 IOT PWB Diagnostics RAP.
5.
Re-load the software, GP 4 Machine Software.
6.
Install new components as necessary:
•
Perform OF7 IOT PWB Diagnostics RAP before a new IOT PWB is installed, PL
1.10 Item 2.
•
Tray 1 and 2 control PWB, PL 7.10 Item 2.
Figure 1 Circuit diagram
August 2007
2-79
Status Indicator RAPs
03-350, 03-351, 03-354
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